noun
decision theory
A branch of mathematics, economics, and philosophy that studies how choices are made under uncertainty. Used in fields like operations research, statistics, and AI.
決定理論は、不確実な状況での合理的な選択を分析する。
Decision theory analyzes rational choice under uncertainty.
Game theory studies strategic interactions among multiple decision-makers, while decision theory focuses on a single agent's choices under uncertainty.
Compound of 決定 (decision) and 理論 (theory). A calque from English 'decision theory'.